<!--最近评论-->
<div class="widget_title">最新评论</div>
<ul class="comment_ul">
  <% @recent_comments.each do |comment| %>
    <li><%= link_to truncate(comment.content.clear_html, :omission => "..", :length => 18), post_path(comment.post, :anchor => "comments") %></li>
  <% end %>
</ul>
